package com.example.mybatis.dao;

import com.example.mybatis.pojo.User;

import java.util.List;

public interface IUserDAO {


        User queryUserById(int id);
        List<User> queryUserByUsername1(String name);
        List<User>  queryUserByUsername2(String name);

        int  saveUser(User user);
        int updateUserById(User user);
        int deleteUserById(int id);

}
